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stepan [7]
3 years ago
15

An article bought for rs.800 is sold for 5/4 of the cost price. Find the profit percentage​

Mathematics
1 answer:
irina [24]3 years ago
3 0

Answer:

the answer is 25% :D

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Jan wants to protect the wooden box in question 4a by painting varnish on all of the outside surfaces, including the bottom. Wil
Dafna1 [17]

Answer:

As this question is incomplete, but we will try to solve this question by adding our own data to understand the concept of the problem.

Explanation is given below

Step-by-step explanation:

As this question is incomplete, but we will try to solve this question by adding our own data to understand the concept of the problem.

In order to answer this question we need to have the dimensions of the box.

Let's suppose there are 6 outside surfaces of the box and are equal in dimension including the bottom side which Jan wants to varnish.

So,

Let's suppose,

Surface area of the cube = 6a^{2}

Here, Surface area = 275 square inch

Surface area of the cube = 6a^{2} = 275 square inch

a^{2} = 275/6 = 45.833

a = \sqrt{45.833}

a = 6.77 inches

Now, for the amount of the varnish, we need the spreading rate of the varnish to be used on the box,

Let's suppose it is = 11 square incher per litre.

So,

Required Varnish = Surface area / Spreading rate

Required varnish = 275 / 11

Required varnish = 25 liters

If the 1 container of varnish contains 25 liters then it will be sufficient to protest the outside surfaces of the box.

6 0
3 years ago
Any chance anyone can help me if the last question I had post
german
Yes i can the answer would be question
6 0
3 years ago
What is (12 − 4) − (6 ÷ 2) − (2 x 2) =
Tanya [424]

Answer:

1

Step-by-step explanation:

(12-4) - (6/2) - (2 x 2)

(8) - (3) - (4)

1

First you solve the expressions in the perenthesis, then solve the final part

Hope this helps!

:)

5 0
2 years ago
Where were some of the first tunnels built
QveST [7]
<span>In Babylonia, tunnels were used extensively for irrigation; and a brick-lined pedestrian passage some 3,000 feet (900 meters) long was built about 2180 to 2160 BC under the Euphrates River to connect the royal palace with the temple. Hopefully this answer helps
</span>
6 0
3 years ago
Find the difference of 8xand twice the sum of x and 7.
Anna11 [10]

Answer -

8x - (sum of x and 7)

= 8x - (x + 7)

= 8x - x - 7

= 7x - 7

= 7(x - 1)

3 0
2 years ago
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